L'Art du Shaker by Dominique Migliorero (1925, p.76)
| 1 liqueur glass | cognac — Cognac | base |
| 1 yolk | egg yolk — Egg yolk | base |
| 1 liqueur glass | vanilla cream liqueur — Creme de vanille | modifier |
- Shake hard, strain into a flip glass, and serve.
Y-ief
A rich yolk flip of vanilla cream and cognac.